Description of problem:
Libvirt support live change the description of guest, so the dialogue box should not pop up after live changing the description of guest.
dialogue box:
These changes will take effect after the next guest shutdown.

Version-Release number of selected component (if applicable):
virt-manager-0.9.0-10.el6
libvirt-0.9.10-2.el6.x86_64
python-virtinst-0.600.0-7.el6.noarch
qemu-kvm-0.12.1.2-2.230.el6.x86_64

# uname -a
Linux localhost.localdomain 2.6.32-220.el6.x86_64 #1 SMP Wed Nov 9 08:03:13 EST 2011 x86_64 x86_64 x86_64 GNU/Linux

How reproducible:
always

Steps to Reproduce:
1. Prepare a rhel6.2 guest.
2. Run the guest.
 # virsh list --all
 Id    Name                           State
----------------------------------------------------
 40    rhel6.2                        running

3. Navigate to the "Show virtual hareware details" screen.
4. Click Overview item -> type "aa" in Description text -> click Apply button.
5. Dailogue box pop up:
These changes will take effect after the next guest shutdown.
6. Click OK button on dailogue box.
7. Check that the decription content display "aa" without shutdown the guest.

Actual resultes:
As above.

Expected results:
after step 4, no dailogue box pop up.


Additional info: